72183280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 191974320

約数和(自身を除く): 119791040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 169, 190, 208, 247, 260, 281, 304, 338, 380, 494, 520, 562, 676, 760, 845, 988, 1040, 1124, 1235, 1352, 1405, 1520, 1690, 1976, 2248, 2470, 2704, 2810, 3211, 3380, 3653, 3952, 4496, 4940, 5339, 5620, 6422, 6760, 7306, 9880, 10678, 11240, 12844, 13520, 14612, 16055, 18265, 19760, 21356, 22480, 25688, 26695, 29224, 32110, 36530, 42712, 47489, 51376, 53390, 58448, 64220, 69407, 73060, 85424, 94978, 106780, 128440, 138814, 146120, 189956, 213560, 237445, 256880, 277628, 292240, 347035, 379912, 427120, 474890, 555256, 694070, 759824, 902291, 949780, 1110512, 1388140, 1804582, 1899560, 2776280, 3609164, 3799120, 4511455, 5552560, 7218328, 9022910, 14436656, 18045820, 36091640, 72183280]

約数ペア:

[(1, 72183280), (2, 36091640), (4, 18045820), (5, 14436656), (8, 9022910), (10, 7218328), (13, 5552560), (16, 4511455), (19, 3799120), (20, 3609164), (26, 2776280), (38, 1899560), (40, 1804582), (52, 1388140), (65, 1110512), (76, 949780), (80, 902291), (95, 759824), (104, 694070), (130, 555256), (152, 474890), (169, 427120), (190, 379912), (208, 347035), (247, 292240), (260, 277628), (281, 256880), (304, 237445), (338, 213560), (380, 189956), (494, 146120), (520, 138814), (562, 128440), (676, 106780), (760, 94978), (845, 85424), (988, 73060), (1040, 69407), (1124, 64220), (1235, 58448), (1352, 53390), (1405, 51376), (1520, 47489), (1690, 42712), (1976, 36530), (2248, 32110), (2470, 29224), (2704, 26695), (2810, 25688), (3211, 22480), (3380, 21356), (3653, 19760), (3952, 18265), (4496, 16055), (4940, 14612), (5339, 13520), (5620, 12844), (6422, 11240), (6760, 10678), (7306, 9880)]